Решите уравнение) Пожалуйста))

Question

Решите уравнение) Пожалуйста))

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Answer 1

1)

x - 1 = 1/(2/5)
x - 1 = 5/2
x = 5/2 + 1
x = 2 1/2 + 1
x = 3 1/2

2)

x - 2 = 2/(2 1/2)
x - 2 = 2 : 5/2
x - 2 = 2 * 2/5
x - 2 = 4/5
x = 4/5 + 2
x = 2 4/5

3)
 x - 3 = 3/(3 1/3)
x - 3 = 3 : 10/3
x - 3 = 3 * 3/10
x - 3 = 9/10
x = 9/10 + 3
x = 3 9/10